body {
    margin: 0;
    background: -webkit-linear-gradient(left, #b0bdfd, #8394fc);
}

.container {
    width: 100%;
    height: 100%;
}

.header {
    height: 80px;
    width: 100%;
    background: #fff;
}

.logo {
    height: 80px;
    margin-left: 20px;
    float: left;
    display:flex;
    justify-content:center;
    align-items:center;
}

.logo img {
    height: 60px;
}

.refresh {
    width: 80px;
    height: 80px;
    float: right;
    margin-right: 20px;
    text-align: center;
    line-height: 80px;
}

.logout {
    width: 80px;
    height: 80px;
    float: right;
    margin-right: 20px;
    text-align: center;
    line-height: 80px;
}
.enter_former {
    width: 80px;
    height: 80px;
    float: right;
    margin-right: 20px;
    text-align: center;
    line-height: 80px;
}

a {
    text-decoration: none;
    color: #000;
    font-weight: bold;
}

.left-nav {
    background: #fff;
    border: 1px solid #ccc;
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.05);
    width: 15%;
    height: 100%;
    margin-top: 5px;
    float: left;
    text-align: center;
}

.user-info {
    width: 100%;
    height: 140px;
}

.user-img {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    margin: 10px auto 20px auto;
}

.nav {
    width: 100%;
    height: 100%;
    background: #fff;
}

ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    width: 100%;
    background-color: #fff;
    line-height: 3;
}

.right-content {
    width: 84%;
    float: right;
    margin: 5px;
}

.right-content-header {
    height: 80px;
    width: 100%;
    background: #fff;
}

.welcome {
    height: 80px;
    width: 100%;
    font-size: 20px;
    font-weight: bold;
}

.welcome-text {
    height: 80px;
    width: 98%;
    margin: 0 auto;
    text-align: center;
}

.welcome-text div {
    float: left;
}

#DateTime {
    height: 80px;
    margin: 0 auto 0 20px;
    line-height: 80px;
    text-align: center;
    float: left;
}

.right-content-body {
    background-color: white;
    margin-top: 5px;
    overflow: auto;
}
